Thêm marker cho các tác phẩm nghệ thuật công cộng

# Iterate through the urban_art and print each part of tuple returned
for row in urban_art.iterrows():
  print('first part: ', row[____])
  print('second part: ', row[____])

# Create a location and marker with each iteration for the downtown_map
for row in urban_art.iterrows():
    row_values = row[1] 
    location = [row_values[____], row_values[____]]
    marker = folium.Marker(location = ____)
    marker.____(downtown_map)

# Display the map
display(____)